Home / 21,050.01-29,049.03-11,618.64

Finding the Fourth Proportional to 21,050.01, 29,049.03 and 11,618.64

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Solution

The fourth proportional to 21,050.01, 29,049.03 and 11,618.64 is: 16,033.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,050.01 : 29,049.03 = 11,618.64 : x
  2. Step 2: Convert to fraction form
    21,050.01/29,049.03 = 11,618.64/x
  3. Step 3: Cross multiply
    21,050.01x = 29,049.03 × 11,618.64
  4. Step 4: Simplify right side
    21,050.01x = 337,510,221.92
  5. Step 5: Solve for x
    x = 337,510,221.92/21,050.01
  6. Step 6: Final answer
    x = 16,033.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.